18890962 has 8 divisors (see below), whose sum is σ = 28655100. Its totient is φ = 9339264.

The previous prime is 18890953. The next prime is 18890969. The reversal of 18890962 is 26909881.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 564001 = 4281^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18890969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52887 + ... + 53242.

Almost surely, 2^18890962 is an apocalyptic number.

18890962 is a deficient number, since it is larger than the sum of its proper divisors (9764138).

18890962 is a wasteful number, since it uses less digits than its factorization.

18890962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106220.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 18890962 is about 4346.3734308041. The cubic root of 18890962 is about 266.3287340896.

The spelling of 18890962 in words is "eighteen million, eight hundred ninety thousand, nine hundred sixty-two".